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Progress with UnISIS: A Rayleigh laser guided adaptive optics system
Thompson, Laird A.1,4; Teare, Scott W.2; Xiong YH(熊耀恒)3; Chakraborty, Abhijit1; Gruendl, Robert1
会议录名称PROCEEDINGS OF THE SOCIETY OF PHOTO-OPTICAL INSTRUMENTATION ENGINEERS (SPIE) - ADVANCEMENTS IN ADAPTIVE OPTICS, PTS 1-3
2004-10
卷号5490
页码90-96
DOI10.1117/12.552207
会议录编者/会议主办者Calia, DB; Ellerbroek, BL; Ragazzoni, R
产权排序第3完成单位
收录类别EI ; CPCI
会议名称Advancements in Adaptive Optics
会议日期2004-06-21
会议地点Glasgow, SCOTLAND, United kingdom
会议赞助商SPIE
关键词Adaptive Optics Rayleigh Laser Guide Stars Seeing Prediction Pupil Masks High Contrast Imaging
摘要

The UnISIS adaptive optics system is now completed and ready for science observations. We describe the experience we have gained in building and using the system, and we give a preview of one new science goal: the use of Gaussian aperture pupil masks for high-contrast imaging of companion objects near bright stars. A key aspect of the UnISIS design is the simultaneous use of two wavefront sensors, one for natural stars and the other for the laser guide star. We demonstrate the performance of this calibration system with results from on-the-bench tests. We describe several practical aspects of observing at Mt. Wilson including our ability to predict the nights of best seeing with weather data available on-line. We also show how the laser guide star return signal is enhanced by observing at large zenith angles and compare this to Rayleigh scattering models.

项目资助者N/A
语种英语
学科领域物理学 ; 光学 ; 天文学 ; 天体测量学
学科门类理学 ; 理学::天文学 ; 工学 ; 工学::光学工程
文章类型Proceedings Paper
出版者SPIE
出版地1000 20TH ST, PO BOX 10, BELLINGHAM, WA 98227-0010 USA
ISBN号0-8194-5422-2
ISSN号0277-786X
URL查看原文
WOS记录号WOS:000225417900009
WOS研究方向Optics
WOS类目Optics
关键词[WOS]Seeing Improvement System ; Wilson 2.5-m Telescope ; Star Systems
EI入藏号2005028776475
EI主题词Adaptive Optics
EI分类号913.1production Engineering - 744.1lasers, General - 741.3optical Devices And Systems - 741.1light/optics - 723.2data Processing And Image Processing - 716.3radio Systems And Equipment - 714.2semiconductor Devices And Integrated Circuits - 711electromagnetic Waves - 422.2 Strength Of Building Materials : Test Methods
引用统计
被引频次:3[WOS]   [WOS记录]     [WOS相关记录]
文献类型会议论文
条目标识符http://ir.ynao.ac.cn/handle/114a53/7329
专题应用天文研究组
通讯作者Thompson, Laird A.
作者单位1.Astronomy Department, University of Illinois, Urbana-Champaign, IL
2.Electrical Engineering Department, New Mexico Tech., Socorro, NM
3.Yunnan Observatory, Kunming, Yunnan, China
4.1002 W. Green St., Urbana, IL 61880, United States
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GB/T 7714
Thompson, Laird A.,Teare, Scott W.,Xiong YH,et al. Progress with UnISIS: A Rayleigh laser guided adaptive optics system[C]//Calia, DB; Ellerbroek, BL; Ragazzoni, R. 1000 20TH ST, PO BOX 10, BELLINGHAM, WA 98227-0010 USA:SPIE,2004:90-96.
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